[PATCH 16/21] media: i2c: imx258: Set pixel_rate range to the same as the value

From: Dave Stevenson <dave.stevenson@raspberrypi.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>,
	linux-media@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	devicetree@vger.kernel.org
Cc: Dave Stevenson <dave.stevenson@raspberrypi.com>
Subject: [PATCH 16/21] media: i2c: imx258: Set pixel_rate range to the same as the value
Date: Tue, 30 May 2023 18:29:55 +0100	[thread overview]
Message-ID: <20230530173000.3060865-17-dave.stevenson@raspberrypi.com> (raw)
In-Reply-To: <20230530173000.3060865-1-dave.stevenson@raspberrypi.com>

With a read only control there is limited point in advertising
a minimum and maximum for the control, so change to set the
value, min, and max all to the selected pixel rate.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
 drivers/media/i2c/imx258.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c
index 7d6528f9ca4d..b9b650d40365 100644
--- a/drivers/media/i2c/imx258.c
+++ b/drivers/media/i2c/imx258.c
@@ -1002,7 +1002,8 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd,
 
 		link_freq = imx258->link_freq_menu_items[mode->link_freq_index];
 		pixel_rate = link_freq_to_pixel_rate(link_freq, imx258->nlanes);
-		__v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate, pixel_rate);
+		__v4l2_ctrl_modify_range(imx258->pixel_rate, pixel_rate,
+					 pixel_rate, 1, pixel_rate);
 		/* Update limits and set FPS to default */
 		vblank_def = imx258->cur_mode->vts_def -
 			     imx258->cur_mode->height;
@@ -1328,8 +1329,7 @@ static int imx258_init_controls(struct imx258 *imx258)
 	struct v4l2_ctrl *vflip, *hflip;
 	s64 vblank_def;
 	s64 vblank_min;
-	s64 pixel_rate_min;
-	s64 pixel_rate_max;
+	s64 pixel_rate;
 	int ret;
 
 	ctrl_hdlr = &imx258->ctrl_handler;
@@ -1360,17 +1360,13 @@ static int imx258_init_controls(struct imx258 *imx258)
 	if (vflip)
 		vflip->flags |= V4L2_CTRL_FLAG_READ_ONLY;
 
-	pixel_rate_max =
-		link_freq_to_pixel_rate(imx258->link_freq_menu_items[0],
-					imx258->nlanes);
-	pixel_rate_min =
-		link_freq_to_pixel_rate(imx258->link_freq_menu_items[1],
-					imx258->nlanes);
+	pixel_rate = link_freq_to_pixel_rate(imx258->link_freq_menu_items[0],
+					     imx258->nlanes);
 	/* By default, PIXEL_RATE is read only */
 	imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
 				V4L2_CID_PIXEL_RATE,
-				pixel_rate_min, pixel_rate_max,
-				1, pixel_rate_max);
+				pixel_rate, pixel_rate,
+				1, pixel_rate);
 
 
 	vblank_def = imx258->cur_mode->vts_def - imx258->cur_mode->height;
-- 
2.25.1

